2/3x=4

Group of answer choices

a. x= 8

b. x= 6

c. x = 8/3

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Can someone me with this? i’m not sure what to put for my equations.